v2.30.0

New Features

• protoc-gen-openapiv3: Brand new minimal OpenAPI v3 generator (#6623), plus follow-ups:
  • Visibility selectors (#6673)
  • disable_default_errors option (#6672)
  • Annotation support (#6681)
  • Improved plugin error surfacing (#6937)
  • field_behavior REQUIRED support for query parameters (#7180) — @maydietwice
• openapiv3-merge: New standalone tool for merging OpenAPI v3 documents (#6771) — @johanbrandhorst
• protoc-gen-openapiv2 moved to the protoc toolchain (#6988) — @EliSauder

Fixes

Change	PR	Contributor
OpenAPI v2: messages sorted before rendering definitions for determinism	#6732	@alliasgher
OpenAPI v2: enum comments now go to description instead of title	#6785	@superShen0916
OpenAPI v2: include field schema metadata on parameters	#6894	@puneetdixit200
OpenAPI v2: omit empty body objects for nested path parameters	#7065	@alliasgher
OpenAPI v3: omit empty body objects for nested path parameters	#7068	@alliasgher
OpenAPI v2: preserve x-nullable when use_allof_for_refs wraps a $ref	#7026	@pkhanaljc
OpenAPI v2: fix path joining for colon-prefixed segments	#7191	@Ritik100-AIT
Prioritize OpenAPI config options over proto options	#6973	@maskedmaxx
Support Service doc comments for OpenAPI/Swagger generation	#6200	@majiayu000
Fix nested body path initialization for oneof fields	#6948	@cyphercodes
Remove redundant enum assignment for nested proto3 fields	#7059	@abhishek-dalbanjan
Drain request only after ParseForm in generated code	#7192	@paskozdilar
Support field extensions with use_allof_for_refs	#3100	@same-id
Ignore M import-path mappings in openapiv3 plugin params	#6936	@johanbrandhorst

Documentation

• Clarify HttpBody download usage (#6904) — @ketpatil77
• Clarify Go tool dependency options (#7042) — @hawk-roy
• Add a runnable OpenTelemetry tracing example (#7110) — @hsdfat
• Fix SLSA link in README (#7149) — @ZayanKhan-12
• Explain Buf strategy for shared API config (#7147) — @dlanov

Tests / CI / Infra

• Add test coverage for slice converters in convert.go (#7041) — @viniciusmtsantos
• Remove Java swagger generator test dependency (#6735) — @johanbrandhorst
• CI improvements — go-version-file usage, release workflow tag input, checkout ref fixes, node_test timeouts, Node 22 LTS for browser tests (avoids a Node 24 zlib hang) (#6627, #6632, #6633, #6867, #6868) — @johanbrandhorst
• Better Bazel caching; auto-merge job for dependabot PRs (#6667, #6668) — @johanbrandhorst
• Run gazelle on openapiv3 files; add missing Bazel files (#6734, #6738) — @johanbrandhorst

New Contributors

@alliasgher, @superShen0916, @puneetdixit200, @ketpatil77, @EliSauder, @maskedmaxx, @hawk-roy, @viniciusmtsantos, @cyphercodes, @abhishek-dalbanjan, @hsdfat, @ZayanKhan-12, @dlanov, @maydietwice, @pkhanaljc, @Ritik100-AIT

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Full Changelog: v2.29.0...v2.30.0